JPS6442599U - - Google Patents

Info

Publication number
JPS6442599U
JPS6442599U JP1987134997U JP13499787U JPS6442599U JP S6442599 U JPS6442599 U JP S6442599U JP 1987134997 U JP1987134997 U JP 1987134997U JP 13499787 U JP13499787 U JP 13499787U JP S6442599 U JPS6442599 U JP S6442599U
Authority
JP
Japan
Prior art keywords
cooling fan
drive circuit
cooling
power amplifier
audio equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1987134997U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987134997U priority Critical patent/JPS6442599U/ja
Priority to US07/239,731 priority patent/US4860361A/en
Publication of JPS6442599U publication Critical patent/JPS6442599U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Control Of Temperature (AREA)
  • Control Of Direct Current Motors (AREA)
JP1987134997U 1987-09-02 1987-09-02 Pending JPS6442599U (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987134997U JPS6442599U (ko) 1987-09-02 1987-09-02
US07/239,731 US4860361A (en) 1987-09-02 1988-09-02 Acoustic-device cooling unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987134997U JPS6442599U (ko) 1987-09-02 1987-09-02

Publications (1)

Publication Number Publication Date
JPS6442599U true JPS6442599U (ko) 1989-03-14

Family

ID=15141525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987134997U Pending JPS6442599U (ko) 1987-09-02 1987-09-02

Country Status (2)

Country Link
US (1) US4860361A (ko)
JP (1) JPS6442599U (ko)

Cited By (1)

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US11190874B2 (en) 2017-07-10 2021-11-30 Sony Corporation Information processing device and information processing method

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US6850252B1 (en) * 1999-10-05 2005-02-01 Steven M. Hoffberg Intelligent electronic appliance system and method
US5649015A (en) * 1993-08-24 1997-07-15 Midnite Kitty, Inc. Speaker simulator
US5636103A (en) * 1995-06-12 1997-06-03 Bushner; Edward M. Portable air cooling apparatus for electronic components
US6608906B2 (en) * 2001-12-27 2003-08-19 Visteon Global Technologies, Inc. Cooling fan control strategy for automotive audio system
EP1583230A1 (en) * 2004-03-31 2005-10-05 Thomson Licensing Circuit for controlling a cooling device
US9223138B2 (en) 2011-12-23 2015-12-29 Microsoft Technology Licensing, Llc Pixel opacity for augmented reality
US8934235B2 (en) 2012-01-23 2015-01-13 Microsoft Corporation Heat transfer device with phase change material
US9606586B2 (en) 2012-01-23 2017-03-28 Microsoft Technology Licensing, Llc Heat transfer device
US9297996B2 (en) 2012-02-15 2016-03-29 Microsoft Technology Licensing, Llc Laser illumination scanning
US9726887B2 (en) 2012-02-15 2017-08-08 Microsoft Technology Licensing, Llc Imaging structure color conversion
US9779643B2 (en) 2012-02-15 2017-10-03 Microsoft Technology Licensing, Llc Imaging structure emitter configurations
US9578318B2 (en) 2012-03-14 2017-02-21 Microsoft Technology Licensing, Llc Imaging structure emitter calibration
US11068049B2 (en) 2012-03-23 2021-07-20 Microsoft Technology Licensing, Llc Light guide display and field of view
US9558590B2 (en) 2012-03-28 2017-01-31 Microsoft Technology Licensing, Llc Augmented reality light guide display
US10191515B2 (en) 2012-03-28 2019-01-29 Microsoft Technology Licensing, Llc Mobile device light guide display
US9717981B2 (en) 2012-04-05 2017-08-01 Microsoft Technology Licensing, Llc Augmented reality and physical games
US10502876B2 (en) 2012-05-22 2019-12-10 Microsoft Technology Licensing, Llc Waveguide optics focus elements
US8989535B2 (en) 2012-06-04 2015-03-24 Microsoft Technology Licensing, Llc Multiple waveguide imaging structure
US9311909B2 (en) 2012-09-28 2016-04-12 Microsoft Technology Licensing, Llc Sensed sound level based fan speed adjustment
US10192358B2 (en) 2012-12-20 2019-01-29 Microsoft Technology Licensing, Llc Auto-stereoscopic augmented reality display
US9304235B2 (en) 2014-07-30 2016-04-05 Microsoft Technology Licensing, Llc Microfabrication
US10254942B2 (en) 2014-07-31 2019-04-09 Microsoft Technology Licensing, Llc Adaptive sizing and positioning of application windows
US10592080B2 (en) 2014-07-31 2020-03-17 Microsoft Technology Licensing, Llc Assisted presentation of application windows
US10678412B2 (en) 2014-07-31 2020-06-09 Microsoft Technology Licensing, Llc Dynamic joint dividers for application windows
US9372347B1 (en) 2015-02-09 2016-06-21 Microsoft Technology Licensing, Llc Display system
US10317677B2 (en) 2015-02-09 2019-06-11 Microsoft Technology Licensing, Llc Display system
US9827209B2 (en) 2015-02-09 2017-11-28 Microsoft Technology Licensing, Llc Display system
US9513480B2 (en) 2015-02-09 2016-12-06 Microsoft Technology Licensing, Llc Waveguide
US9535253B2 (en) 2015-02-09 2017-01-03 Microsoft Technology Licensing, Llc Display system
US11086216B2 (en) 2015-02-09 2021-08-10 Microsoft Technology Licensing, Llc Generating electronic components
US9423360B1 (en) 2015-02-09 2016-08-23 Microsoft Technology Licensing, Llc Optical components
US9429692B1 (en) 2015-02-09 2016-08-30 Microsoft Technology Licensing, Llc Optical components
US10018844B2 (en) 2015-02-09 2018-07-10 Microsoft Technology Licensing, Llc Wearable image display system
US10272609B2 (en) 2016-09-26 2019-04-30 Nordson Corporation Extrusion die having thermally responsive lip adjustment assembly
JP2021120264A (ja) * 2020-01-30 2021-08-19 ハーマン インターナショナル インダストリーズ インコーポレイテッド 取り外し可能なモジュラースピーカーシステム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195034A (en) * 1962-04-20 1965-07-13 United States Steel Corp Apparatus for monitoring vibrations of a fan
US4267500A (en) * 1978-09-19 1981-05-12 Gould Inc. Control cooling means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11190874B2 (en) 2017-07-10 2021-11-30 Sony Corporation Information processing device and information processing method

Also Published As

Publication number Publication date
US4860361A (en) 1989-08-22

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